Chris Zdon

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Minneapolis, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Three-dimensional authentication of mircoparticle mark
- Patent number 8,223,964
- Issue date Jul 17, 2012
- SMI Holdings, Inc.
- Thomas Stierman
- G07 - CHECKING-DEVICES
Information Patent Grant
Expression codes for microparticle marks based on signature strings
- Patent number 8,033,450
- Issue date Oct 11, 2011
- SMI Holdings, Inc.
- Thomas Stierman
- G07 - CHECKING-DEVICES
Information Patent Grant
Automatic microparticle mark reader
- Patent number 7,885,428
- Issue date Feb 8, 2011
- SMI Holdings, Inc.
- Thomas Stierman
- G07 - CHECKING-DEVICES
Information Patent Grant
Three-dimensional authentication of microparticle mark
- Patent number 7,831,042
- Issue date Nov 9, 2010
- SMI Holdings, Inc.
- Thomas Stierman
- G07 - CHECKING-DEVICES
Information Patent Grant
Automatic microparticle mark reader
- Patent number 7,720,254
- Issue date May 18, 2010
- SMI Holdings, Inc.
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
THREE-DIMENSIONAL AUTHENTICATION OF MIRCOPARTICLE MARK
- Publication number 20110019905
- Publication date Jan 27, 2011
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
EXPRESSION CODES FOR MICROPARTICLE MARKS BASED ON SIGNATURE STRINGS
- Publication number 20100327050
- Publication date Dec 30, 2010
- SMI HOLDINGS, INC.
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATIC MICROPARTICLE MARK READER
- Publication number 20100128925
- Publication date May 27, 2010
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
AUTOMATIC MICROPARTICLE MARK READER
- Publication number 20090136079
- Publication date May 28, 2009
- SMI HOLDINGS, INC.
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
THREE-DIMENSIONAL AUTHENTICATION OF MICROPARTICLE MARK
- Publication number 20080034426
- Publication date Feb 7, 2008
- SMI HOLDINGS, INC.
- Thomas Stierman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Taggants for products and method of taggant identification
- Publication number 20060037222
- Publication date Feb 23, 2006
- Dan Hunt
- G06 - COMPUTING CALCULATING COUNTING